POLICE CARS WITH POWER STEERING.POSSIBILITY THAT THE STEERING PITMAN ARM BALLSTUDS MAY FAIL DUE TO IMPROPER HEAT TREATMENT.IF THIS CONDITION EXISTS ANDREPEATED HEAVY CORNERING WITH THE WHEELS TURNED IN A FULLY STOPPED POSTION ASENCOUNTERED IN HEAVY DUTY POLICE PURSUIT WORK COULD RESULT IN LOSS OF STEERING.(CORRECT BY INSPECTING AND REPLACING WITH NEW PITMAN ARM).